Open a local folder in VS Code (not a remote one) where you want to convert the file. To convert an existing or pre-defined, local devcontainer.json into a remote one, follow these steps: Converting an existing or pre-defined devcontainer.json Without the Docker extension, Dev Containers will use the current context. Note: The above settings are only visible when the Docker extension is installed. The Docker extension comes with the docker.environment setting where environment variables like DOCKER_HOST or DOCKER_CONTEXT can be set that are also honored by the Dev Containers extension. The current context can be changed using docker context use. You create new contexts with docker context create. Type code in this same terminal / command prompt to launch VS Code with the variables set.ĭocker Contexts allow you to interact with different hosts - you can set up contexts for each host and switch between them.Set the environment variables (for example DOCKER_HOST) in a terminal / command prompt.Ensure VS Code is in your operating system PATH.If you'd prefer not to use settings.json, you can set environment variables in a terminal instead. Using environment variables instead of settings.json Setting up VS Code to attach to a container on a remote Docker host can be as easy as setting the Docker extension docker.environment property in settings.json and restarting VS Code (or reloading the window).įor example: "docker.environment" : Īs with SSH, restart VS Code (or reload the window) for the settings to take effect. This approach is also useful if you are looking to attach to already running containers on this remote server. While using the Remote - SSH extension is easier and doesn't require the Docker CLI to even be installed locally, this model can be useful for situations where you already have a host you are connecting to from the command line. This model only requires that a Docker Engine be running on a remote host that your local Docker CLI can connect to. You can learn more about the Remote - SSH extension in its documentation. The rest of the Dev Containers quick start applies as-is. Use the Dev Containers: Reopen in Container command from the Command Palette ( F1, ⇧⌘P (Windows, Linux Ctrl+Shift+P)).Follow the quick start for the Remote - SSH extension to connect to a host and open a folder there. ![]() You do not need to install Docker locally. Optional: Set up SSH key based authentication to the server so you do not need to enter your password multiple times.Follow the installation and SSH host setup steps for the Remote - SSH extension.You do not even need to have a Docker client installed locally. If you are using a Linux or macOS SSH host, you can use the Remote - SSH and Dev Containers extensions together. Connect using the Remote - SSH extension (recommended) While this is the default behavior, in this section we will cover connecting to a remote host so that you can either use the Remote - SSH extension to open a folder on a remote host in a container, attach to any running container, or use a local devcontainer.json file as a way to configure, create, and connect to a remote dev container using a socket. Docker does not support mounting (binding) your local filesystem into a remote dev container, so Visual Studio Code's default devcontainer.json behavior to use your local source code will not work. Sometimes you may want to use the Dev Containers extension to develop inside a container that sits on a remote server.
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